An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination.
Advisories
Source ID Title
EUVD EUVD EUVD-2020-30597 An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination.
Fixes

Solution

No solution given by the vendor.


Workaround

No workaround given by the vendor.

History

Sat, 20 Dec 2025 00:15:00 +0900

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 22 Oct 2025 09:30:00 +0900


Wed, 22 Oct 2025 06:15:00 +0900

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Wed, 22 Oct 2025 05:30:00 +0900


Wed, 22 Oct 2025 04:30:00 +0900


Thu, 30 Jan 2025 03:15:00 +0900

Type Values Removed Values Added
Metrics kev

{'dateAdded': '2021-11-03'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'active', 'Technical Impact': 'total'}, 'version': '2.0.3'}


Projects

Sign in to view the affected projects.

cve-icon MITRE

Status: PUBLISHED

Assigner: apple

Published:

Updated: 2025-12-20T04:55:53.124Z

Reserved: 2020-03-02T00:00:00.000Z

Link: CVE-2020-9818

cve-icon Vulnrichment

Updated: 2024-08-04T10:43:05.159Z

cve-icon NVD

Status : Analyzed

Published: 2020-06-09T17:15:13.317

Modified: 2025-10-23T18:01:34.310

Link: CVE-2020-9818

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses